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ath9k_hw: Clean up rx/tx chain configuration before AGC/IQ cal 

Use hw supported chains instead of hard coded values.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2011-04-19 19:29:09 +05:30 committed by John W. Linville
parent 17869f4fe9
commit e758ff8f7f
1 changed files with 5 additions and 8 deletions
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13
drivers/net/wireless/ath/ath9k/ar9003_calib.c
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@ -940,21 +940,18 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
struct ath9k_channel *chan)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_capabilities *pCap = &ah->caps;
int val;
val = REG_READ(ah, AR_ENT_OTP);
ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
if (AR_SREV_9485(ah))
ar9003_hw_set_chain_masks(ah, 0x1, 0x1);
else if (val & AR_ENT_OTP_CHAIN2_DISABLE)
/* Configure rx/tx chains before running AGC/TxiQ cals */
if (val & AR_ENT_OTP_CHAIN2_DISABLE)
ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
else
/*
* 0x7 = 0b111 , AR9003 needs to be configured for 3-chain
* mode before running AGC/TxIQ cals
*/
ar9003_hw_set_chain_masks(ah, 0x7, 0x7);
ar9003_hw_set_chain_masks(ah, pCap->rx_chainmask,
pCap->tx_chainmask);
/* Do Tx IQ Calibration */
if (AR_SREV_9485(ah))